Perform a curve discussion of the following function f x x 4x x 2 To do this carry out the following steps and briefly justify the individual results a Maximum definition range b symmetry f x f x oder f x f x c Poles or definition gaps d limits e derivatives f x f x f x f Zeros of the function and the first three derivatives f x 0 f x 0 f x 0 f x 0 g Extreme points high or low points maximum minimum h Turning or saddle points curvature behavior